<!--
 * @Description: 
 * @Author: mxy
 * @Date: 2022-11-12 20:54:53
 * @LastEditors: mxy
 * @LastEditTime: 2022-11-12 20:57:00
-->
<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <script>
        let xhr = new XMLHttpRequest()
        xhr.addEventListener('load', function () {
            console.log(JSON.parse(xhr.response))
        })
        xhr.open('put', 'http://www.itcbc.com:3006/api/updatebook')
        // 1、JSON格式
        xhr.setRequestHeader('Content-Type', 'application/json')
        xhr.send(JSON.stringify({ id: 641, bookname: '骆驼祥子', author: '周树人', publisher: '中华', appkey: 'xiaomeng' }))


    </script>
</body>

</html>